senna_T Forged Member Lifetime Members 15,818 Member For: 17y 11m 26d Gender: Male Location: SW Sydney Posted 22/03/10 01:43 AM Share Posted 22/03/10 01:43 AM They used to when we had to unlock cars with a dead battery, lock car with remote - alarm active - unlock car with key and open door - alarm goes off.. Link to comment Share on other sites More sharing options...
White Knight Donating Members 73 Member For: 15y 3m 13d Gender: Male Location: Sydney Posted 23/03/10 07:47 AM Share Posted 23/03/10 07:47 AM I have an infrared beam on the front boundary line of my property. Should anyone cross it, there are buzzers inside the house to alert that there is someone on the property.Who makes this kind of system, and where can one get / look at it? The only decent photoelectric beam system I found was marketed by Bosch and it isn't exactly available to the public at a reasonable cost. I have experienced similar close calls in my front yard.No better deterrent though than an obedient dog though. Just make sure it's a smart breed. I can tell my cattle to stop barking with a quick command while I investigate ... he also barks differently depending on what he's reacting too ... Link to comment Share on other sites More sharing options...
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